document.write( "Question 1191164: There are 6 friends (A, B, C, D, E, F) going to a cinema which has 6 available (adjacent) seats left. How many ways
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document.write( "can they be seated…
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document.write( "a. if A and B are BFF’s that must be seated beside each other
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document.write( "b. if A and B are ENEMIES that must be seated apart from each other. \n" );
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Algebra.Com's Answer #822957 by Edwin McCravy(20054)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "a. if A and B are best friends that must be seated beside each other\r\n" ); document.write( "\r\n" ); document.write( "Arrange 5 \"things\" {AB, C, D, E, F} 5 ways (5 things POSITION 5 ways)\r\n" ); document.write( "OR\r\n" ); document.write( "Arrange 5 \"things\" {BA, C, D, E, F} 5 ways (5 things POSITION 5 ways)\r\n" ); document.write( "\r\n" ); document.write( "(5 POSITION 4) x 2\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "b. if A and B are ENEMIES that must be seated apart from each other. \r\n" ); document.write( "\r\n" ); document.write( "Subtract \r\n" ); document.write( "\r\n" ); document.write( "(6 POSITION 6) - (the result of part a)\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |